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  <title>Document</title>
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  <script>
    function Student(name, age, sno, score) {
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      this.age = age
      this.sno = sno
      this.score = score
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    Student.prototype.running = function () { }
    Student.prototype.eating = function () { }
    Student.prototype.studying = function () { }


    function Teacher(name, age, title) {
      this.name = name
      this.age = age
      this.title = tilte
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    Teacher.prototype.running = function () { }
    Teacher.prototype.eating = function () { }
    Teacher.prototype.teach = function () { }

  </script>
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